So I dove into a cam swap project on the poly 318 in my 65 Coronet over the Christmas holiday. When I got the top and front of the motor torn apart, and was ready to pull the cam, I noticed a diamond stamped in to the right deck on the block. To make a really long story short, it means that this motor has .008" over-sized lifters in it!!! And not all of mine are O/S, just 3!!! Talk about a pain in the a$$! After calling every cam & lifter company I could find, most of the people had never heard of such a thing & of course nobody had any O/S lifters. I got turned onto a place called Valve Train Industries in Canada...they actually had 8 of them...only problem is they are $46 each!!! Regular sized price is $2.40 ea!! Luckily they could refurb my old ones. Only problem there was it took 3 weeks to get them there and back! So they arrived this last Tuesday, and I'll be putting the motor back together tonight. FINALLY!!! It's never a dull moment when you're working on old Mopars!